# 统计给定分数列表中不同分数出现的次数(可以使用set函数将列表转为集合,集合 = set(列表))  [80,80,78,65,45,34,56,80,75.....]
list_01 = [80,80,78,65,45,34,56,80,75,87,45,34,7,8,34,21,34,54,97,43,76,34,34,23,78,90,80,75,65,89,56,65,34,23,43,23,43,90]

# 对列表进行去重
dict_01 = {}
set_01 = set(list_01)
for i in set_01:
    dict_01[i] = list_01.count(i)
